Vulnerability Monitor

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CVE-2026-20431


In Modem, there is a possible system crash due to a logic error. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01106496; Issue ID: MSV-4467.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it requires adjacent network access with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 38 products from mediatek, from mediatek, from mediatek and 35 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2026, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2026-04-07T04:16:59.930

Last Modified

2026-04-10T19:58:43.890

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

Weaknesses
  • Type: Secondary
    CWE-770

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System mediatek mt6813_firmware - Yes
Hardware mediatek mt6813 - No
Operating System mediatek mt6815_firmware - Yes
Hardware mediatek mt6815 - No
Operating System mediatek mt6835_firmware - Yes
Hardware mediatek mt6835 - No
Operating System mediatek mt6878_firmware - Yes
Hardware mediatek mt6878 - No
Operating System mediatek mt6897_firmware - Yes
Hardware mediatek mt6897 - No
Operating System mediatek mt6899_firmware - Yes
Hardware mediatek mt6899 - No
Operating System mediatek mt6986_firmware - Yes
Hardware mediatek mt6986 - No
Operating System mediatek mt6991_firmware - Yes
Hardware mediatek mt6991 - No
Operating System mediatek mt6993_firmware - Yes
Hardware mediatek mt6993 - No
Operating System mediatek mt8668_firmware - Yes
Hardware mediatek mt8668 - No
Operating System mediatek mt8676_firmware - Yes
Hardware mediatek mt8676 - No
Operating System mediatek mt8678_firmware - Yes
Hardware mediatek mt8678 - No
Operating System mediatek mt8755_firmware - Yes
Hardware mediatek mt8755 - No
Operating System mediatek mt8775_firmware - Yes
Hardware mediatek mt8775 - No
Operating System mediatek mt8792_firmware - Yes
Hardware mediatek mt8792 - No
Operating System mediatek mt8793_firmware - Yes
Hardware mediatek mt8793 - No
Operating System mediatek mt8863_firmware - Yes
Hardware mediatek mt8863 - No
Operating System mediatek mt8873_firmware - Yes
Hardware mediatek mt8873 - No
Operating System mediatek mt8883_firmware - Yes
Hardware mediatek mt8883 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mediatek's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.